he princi le o redundancy is used when system reliability is improved through re
ID: 3367297 • Letter: H
Question
he princi le o redundancy is used when system reliability is improved through redundant or backup components Assume that a students alarm clock has a 76% dal fa re r te Co plete parts a through d below a. What is the probability that the student's alarm clock will not work on the moming of an important final exam? Round to three decimal places as needed.) b. If the student has two such alarm clocks, what is the probability that they both fail on the morming of an important final exam? Round to five decimal places as needed.) c. What is the probability of not being awakened if the student uses three independent alarm clocks? (Round to five decimal places as needed.) d. Do the second and third alarm clocks result in greatly improved reliability? 0 A. No, because the malfunction of both is equally ormore likely than the malfunction of one. O B. No, because total malfunction would still not be unlikely O c. Yes, because total malfunction would not be impossible, but it would be unlikely. ? D. Yes, because you can always be certain thatat least one alarm clock will work. Click to select your answeris)Explanation / Answer
solution:-
a. 7.6% = 0.076
b. (0.076)^2 = 0.00578
c.(0.076)^3 = 0.00044
d. option C.
Yes, because total malfunction would not be? impossible, but it would be unlikely
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